right here on the stage, for the first time the two candidates will go face to face. it will focus on domestic policy, things like healthcare and the economy. that's where mitt romney sees his opening. >> these debates are an opportunity for each of to us describe the path way forward. >> reporter: the public is basically split on who they think can do a better job, president obama with a one-point edge at the moment. a praise which hasn't had huge swings, everything can change in one night but both sides had tried to lower expectations. >> governor romney is a good debater. i'm just okay. >> about 6,000 to 8,000 people can fit in this arena behind me. you can expect a packed house. we are expecting tens of millions to watch from their homes, so the pressure is definitely on. >>> speaking of voters, in pennsylvania they're not going to be required to show a photo i.d. at the polls. a judge is temporarily blocking it. a judge said he wasn't convinced that every voter would be able to get a valid i.d. the requirement is supported by republicans who said they're fighting